<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共16条记录</span>
        <template slot="after">
          <el-button size="small" type="warning" @click="$router.push('/import')">导入</el-button>
          <el-button size="small" type="danger" @click="exportExcel">导出</el-button>
          <el-button size="small" type="primary" @click="showDialog=true">新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">

        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{row}">
              <img
                slot="reference"
                v-imgerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto "
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
              >
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column label="聘用形式" sortable="" prop="formOfEmployment">
            <template slot-scope="{row}">
              {{ row.formOfEmployment==1?'正式':'非正式' }}
            </template>
          </el-table-column>
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="{ row }">
              <span>
                {{ row.timeOfEntry | formatDate }}
              </span>
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template v-slot="{row}">
              <el-button type="text" size="small" @click="$router.push(`/detail/${ row.id }`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>

    </div>
    <add-employee :show-dialog.sync="showDialog" />
    <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId" />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import AddEmployee from './components/add-employee.vue'
import AssignRole from './components/assign-role.vue'
import { formatDate } from '@/filters'
import EmployeeEnum from '@/api/constant/employees.js'

export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data() {
    return {
      loading: false,
      showDialog: false,
      showRoleDialog: false,
      userId: '',
      list: [], // 接数据的
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      }
    }
  },
  created() {
    this.getEmployeeList()
  },
  methods: {
    changePage(newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList() {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    async deleteEmployee(id) {
      try {
        await this.$confirm('您确定删除该员工吗')
        await delEmployee(id)
        this.getEmployeeList()
        this.$message.success('删除成功')
      } catch (error) {
        this.$message.error('取消删除')
        console.log(error)
      }
    },
    async exportExcel() {
      // 表头对应关系
      const headers = {
        姓名: 'username',
        手机号: 'mobile',
        入职日期: 'timeOfEntry',
        聘用形式: 'formOfEmployment',
        转正日期: 'correctionTime',
        工号: 'workNumber',
        部门: 'departmentName'
      }
      // 获取所有的员工列表
      const { rows } = await getEmployeeList({
        page: 1,
        size: this.page.total
      })
      // console.log(this.formatJson(headers, rows))
      const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
      const merges = ['A1:A2', 'B1:F1', 'G1:G2']
      import('@/vendor/Export2Excel').then(excel => {
        excel.export_json_to_excel({
          header: Object.keys(headers), // 表头 必填
          data: this.formatJson(headers, rows), // 具体数据 必填
          filename: '员工资料表',
          multiHeader, // 复杂表头
          merges
        })
      })
    },
    // 这个函数返回的是一个 二维数组，也就是 数组的成员都是数组
    formatJson(headers, rows) {
      //  [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map(item => {
        // 这里的return 是返回一个成员数组，也就是要把item加工成 数组
        // 为什么这里要Object.Keys遍历 headers 目的是为了得到跟 标题相同的顺序
        return Object.keys(headers).map(chineseKey => {
          if (
            headers[chineseKey] === 'timeOfEntry' ||
            headers[chineseKey] === 'correctionTime'
          ) {
            return formatDate(item[headers[chineseKey]]) // 返回格式化之前的时间
          } else if (headers[chineseKey] === 'formOfEmployment') {
            var en = EmployeeEnum.hireType.find(
              obj => obj.id === item[headers[chineseKey]]
            )
            return en ? en.value : '未知'
          }
          // headers[chinesekey] 得到属性的英文名
          // item[headers[chineseKey]] 得到属性的值
          // 我们只需要按顺序把得到的值放到一个新数组中就OK了
          return item[headers[chineseKey]]
        })
      })
    },
    // 编辑角色
    async editRole(id) {
      this.userId = id // props传值 是异步的
      await this.$refs.assignRole.getUserDetailById(id) // 父组件调用子组件方法
      this.showRoleDialog = true
    }
  }
}
</script>

<style>
</style>
